What was found
(CAN) UPON ROUTINE INSP, IT WAS FOUND THAT THE RT CABIN RESONATOR STRUCTURE WAS CORRODED AT THE INNER ATTACHMENT FLANGE TO THE POINT THAT BUCKLING OF THE OUTER ATTACHMENT PLATE HAD OCCURED. THE ASSY WAS REMOVED FROM THE ACFT. IT WAS FOUND THAT THE OUTER ATTACHMENT PLATE HAD SUFFERED EXTENSIVE CORROSION DAMAGE BUT HAD NOT PHYSICALLY FAILED NOR WAS ANY CORROSION DAMAGE DISCOVERED ON THE MATING STRUCTURE.